package cn.micai.shiro.chapter2.realm;

import org.apache.shiro.authc.*;
import org.apache.shiro.realm.Realm;

/**
 * @author zhaoxinguo on 2017/8/15.
 */
public class MyRealm2 implements Realm {

    public String getName() {
        return "myrealm2";
    }

    public boolean supports(AuthenticationToken token) {
        return token instanceof UsernamePasswordToken;//仅支持UsernamePasswordToken类型的Token
    }

    public AuthenticationInfo getAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        String username = (String)token.getPrincipal();//得到用户名
        String password = new String((char[])token.getCredentials());//得到密码
        if(!"wang".equals(username)){
            throw new UnknownAccountException();//如果用户名错误
        }
        if(!"123".equals(password)){
            throw new IncorrectCredentialsException();//如果密码错误
        }
        //如果身份认证验证成功，返回一个AuthenticationInfo实现
        return new SimpleAuthenticationInfo(username,password,getName());
    }
}
